<!-- 商品详情页 -->
<template>
	<view class="container">
		<view class="carousel">
			<swiper indicator-dots circular="true" duration="400">
				<swiper-item class="swiper-item" v-for="(item, index) in goodsInfo.album" :key="index">
					<view class="image-wrapper">
						<image :src="item" class="loaded" mode="aspectFill"></image>
					</view>
				</swiper-item>
			</swiper>
		</view>

		<view class="introduce-section">
			<text class="title">{{ goodsInfo.name }}</text>
			<view class="price-box">
				<text class="price-tip">¥</text>
				<text class="price">{{ goodsInfo.price |moneyFormatter }}</text>
				<text class="m-price">¥{{ goodsInfo.originPrice |moneyFormatter }}</text>
				<!-- <text class="coupon-tip">7折</text> -->
			</view>
			<view class="bot-row">
				<text>销量: {{goodsInfo.sales}}</text>
				<text>库存: {{selectedSku.stockNum}}</text>
				<text>浏览量: 768</text>
			</view>
		</view>

		<!--  分享 -->
		<view class="share-section" @click="share">
			<view class="share-icon">
				<text class="yticon icon-xingxing"></text>
				返
			</view>
			<text class="tit">该商品分享可领49减10红包</text>
			<text class="yticon icon-bangzhu1"></text>
			<view class="share-btn">
				立即分享
				<text class="yticon icon-you"></text>
			</view>
		</view>

		<view class="c-list">
			<view class="c-row b-b" @click="toggleSpec">
				<text class="tit">购买类型</text>
				<view class="con">
					<text class="selected-text" v-for="sItem in selectedSpecValues">
						{{ sItem.value }}
					</text>
				</view>
				<text class="yticon icon-you"></text>
			</view>
			<view class="c-row b-b">
				<text class="tit">优惠券</text>
				<view class="con" @click="openCoupon()">
					<text class=" t-r red">领取优惠券</text>
				</view>
				<text class="yticon icon-you"></text>
			</view>
			<view class="c-row b-b">
				<text class="tit">促销活动</text>
				<view class="con-list">
					<text>新人首单送20元无门槛代金券</text>
					<text>订单满50减10</text>
					<text>订单满100减30</text>
					<text>单笔购买满两件免邮费</text>
				</view>
			</view>
			<view class="c-row b-b">
				<text class="tit">服务</text>
				<view class="bz-list con">
					<text>7天无理由退换货 ·</text>
					<text>假一赔十 ·</text>
				</view>
			</view>
		</view>

		<!-- 评价 -->
		<view class="eva-section">
			<view class="e-header">
				<text class="tit">评价</text>
				<text>(86)</text>
				<text class="tip">好评率 100%</text>
				<text class="yticon icon-you"></text>
			</view>
			<view class="eva-box">
				<image class="portrait" src="http://img3.imgtn.bdimg.com/it/u=1150341365,1327279810&fm=26&gp=0.jpg"
					mode="aspectFill"></image>
				<view class="right">
					<text class="name">Leo yo</text>
					<text class="con">商品收到了，79元两件，质量不错，试了一下有点瘦，但是加个外罩很漂亮，我很喜欢</text>
					<view class="bot">
						<text class="attr">购买类型：XL 红色</text>
						<text class="time">2019-04-01 19:21</text>
					</view>
				</view>
			</view>
		</view>

		<view class="detail-desc">
			<view class="d-header"><text>图文详情</text></view>
			<rich-text :nodes="spuDetail"></rich-text>
		</view>

		<!-- 底部操作菜单 -->
		<view class="page-bottom">
			<navigator url="/pages/index/index" open-type="switchTab" class="p-b-btn">
				<text class="yticon icon-xiatubiao--copy"></text>
				<text>首页</text>
			</navigator>
			<navigator url="/pages/cart/cart" open-type="switchTab" class="p-b-btn">
				<text class="yticon icon-gouwuche"></text>
				<text>购物车</text>
			</navigator>
			<view class="p-b-btn" :class="{ active: favorite }" @click="toFavorite">
				<text class="yticon icon-shoucang"></text>
				<text>收藏</text>
			</view>

			<view class="action-btn-group">
				<button type="primary" class=" action-btn no-border buy-now-btn" @click="buy">立即购买</button>
				<button type="primary" class=" action-btn no-border add-cart-btn" @click="addToCart">加入购物车</button>
			</view>
		</view>


		<!-- 规格-模态层弹窗 -->
		<view class="popup spec" :class="specClass" @touchmove.stop.prevent="stopPrevent" @click="toggleSpec">
			<!-- 遮罩层 -->
			<view class="mask"></view>
			<view class="layer attr-content" @click.stop="stopPrevent">
				<view class="a-t">
					<image :src="selectedSku.picUrl" />
					<view class="right">
						<text class="price">¥{{selectedSku.price|moneyFormatter}}</text>
						<text class="stock">库存：{{selectedSku.stockNum}}件</text>
						<view class="selected">
							已选：
							<text class="selected-text" v-for="(sItem, sIndex) in selectedSpecValues"
								:key="sIndex">{{ sItem.value }}</text>
						</view>
					</view>
				</view>
				<!-- 规格选项构建 -->
				<view v-for="(spec,specIndex) in specList" class="attr-list">
					<text>{{ spec.name }}</text>
					<view class="item-list">
						<text v-for="(specItem, specItemIndex) in spec.values" :key="specItem.id" class="tit"
							:class="{ selected: specItem.selected }" @click="selectSpec(specIndex, specItemIndex)">
							{{ specItem.value }}
						</text>
					</view>
				</view>
				<button class="btn" @click="toggleSpec">完成</button>
			</view>
		</view>

		<!-- 优惠券弹出层 -->
		<view>
			<uni-popup ref="popup" class="coupon-popup" type="bottom">
				<view class="coupon-container">
					<view class="coupon-item">
						<uni-row>
							<uni-col :span="10">
								<view class="coupon-item__left">
									<view style="display: flex;flex-direction: column;text-align: center;color: #FFF;
										padding: 20px 0">
										<view><text style="font-size: 20px;font-weight: bold;">1</text>折</view>
										<view style="margin: 5px;">满1000元可用</view>
									</view>
								</view>
							</uni-col>
							<uni-col :span="14">
								<view class="coupon-item__right">
									<view style="display: flex;flex-direction: column;padding: 15px 10px">
										<view style="display: flex; ">
											<view>
												<uni-tag text="通用" type="error" :inverted="true" :circle="true">
												</uni-tag>
											</view>
											<view style="margin-left: 10px;">全场通用</view>
										</view>
										<view style="display: flex;margin-top: 10px; justify-content: space-between">
											<text style="line-height: 1.8;">领取2天有效</text>
											<view><button size="mini" type="warn">立即领取</button></view>
										</view>
									</view>
								</view>
							</uni-col>
						</uni-row>
					</view>
				</view>
			</uni-popup>
		</view>

		<!-- 分享 -->
		<share ref="share" :contentHeight="580" :shareList="shareList"></share>
	</view>
</template>

<script>
	import share from '@/components/share';

	import {
		getSpuDetail,
		getStockNum
	} from '@/api/pms/goods.js';

	import {
		addCartItem,
		confirm as orderConfirm
	} from '@/api/oms/cart.js'
	export default {
		components: {
			share
		},
		data() {
			return {
				goodsInfo: { // 商品信息
					id: undefined,
					name: undefined,
					originPrice: undefined,
					price: undefined,
					album: [],
					detail: undefined
				},
				attributeList: [], // 属性列表
				specList: [], // 规格列表
				skuList: [], // SKU列表
				specClass: 'none',
				selectedSku: {},
				selectedSpecValues: [], // 选择的规格项集合
				favorite: true,
				shareList: [],
				spuDetail:'' // 图文详情

			};
		},
		async onLoad(options) {
			console.log('========>> 进入商品详情页面, 路径:', this.$mp.page.route, '参数', options);
			const goodsId = options.id
			getSpuDetail(goodsId).then(response => {
				const {
					goodsInfo,
					attributeList,
					specList,
					skuList
				} = response.data;
				this.goodsInfo = goodsInfo;
				this.spuDetail=this.richImgAuto(goodsInfo.detail)
				this.attributeList = attributeList;
				this.specList = specList;
				this.skuList = skuList;

				// 默认选择规格的第一项
				this.specList.forEach(item => {
					if (item.values.length > 0) {
						item.values[0].selected = true // 添加规格是否选中属性
						this.selectedSpecValues.push(item.values[0])
					}
				})

				// 默认选择规格项ID的集合
				const defaultSelectedSpecIds = this.selectedSpecValues.map(item => item.id)
				// 默认规格项集合生成默认商品库存单元
				this.selectedSku = this.skuList.filter(sku => sku.specIds.split('_').equals(
					defaultSelectedSpecIds))[0]
			});
		},
		methods: {
			 richImgAuto(html) {
			        return html.replace(/<(img).*?(\/>|<\/img>)/g, function (mats) {
			            if (mats.indexOf('style') < 0) {
			                return mats.replace(/<\s*img/, '<img style="max-width:100%;height:auto;"');
			            } else {
			                return mats.replace(/style=("|')/, ' style=$1max-width:100%;height:auto;')
			            }
			        });
			    },
			
			//规格弹窗开关
			toggleSpec() {
				if (this.specClass === 'show') {
					this.specClass = 'hide';
					setTimeout(() => {
						this.specClass = 'none';
					}, 250);
				} else if (this.specClass === 'none') {
					this.specClass = 'show';
				}
			},
			// 选择规格
			selectSpec(specIndex, specValueIndex) {
				this.specList[specIndex].values.forEach((item, index) => {
					if (index == specValueIndex) {
						this.$set(item, 'selected', true);
					} else {
						this.$set(item, 'selected', false);
					}
				})

				this.selectedSpecValues = []
				this.specList.forEach(item => {
					const selectedSpecValue = item.values.filter(value => value.selected == true)[0]
					this.selectedSpecValues.push(selectedSpecValue)
				})

				const selectedSpecValueIds = this.selectedSpecValues.map(item => item.id)

				// 根据选择的规格项匹配商品库存单元
				this.selectedSku = this.skuList.filter(item => item.specIds.split('_').equals(selectedSpecValueIds))[0]

				console.log('您选择的商品:', JSON.stringify(this.selectedSku))

			},
			// 分享
			share() {
				this.$refs.share.toggleMask();
			},
			// 收藏
			toFavorite() {
				this.favorite = !this.favorite;
			},
			// 立即购买
			buy() {
				const skuId = this.selectedSku.id;
				uni.navigateTo({
					url: `/pages/order/createOrder?skuId=` + skuId + `&count=1`,
				});
			},
			// 添加至购物车
			addToCart() {
				const skuId = this.selectedSku.id
				addCartItem(skuId).then(response => {
					uni.switchTab({
						url: `/pages/cart/cart`,
						success: (res) => {
							let page = getCurrentPages().pop();
							if (page == undefined || page == null) return;
							page.curSegment = 0;
							page.onLoad();
						},
					});
				})
			},
			stopPrevent() {},
			openCoupon() {
				// 通过组件定义的ref调用uni-popup方法 ,如果传入参数 ，type 属性将失效 ，仅支持 ['top','left','bottom','right','center']
				this.$refs.popup.open('bottom')
			}
		}
	};

	/**
	 * 重写数组equals方法，数组元素完全相同不论顺序
	 * @param target
	 * @returns {boolean}
	 */
	Array.prototype.equals = function(target) {
		return this.length === target.length &&
			this.every(a => target.some(b => a === b)) &&
			target.every(x => this.some(y => x === y));
	}
</script>

<style lang="scss">
	page {
		background: $page-color-base;
		padding-bottom: 160upx;
	}

	.icon-you {
		font-size: $font-base + 2upx;
		color: #888;
	}

	.carousel {
		height: 722upx;
		position: relative;

		swiper {
			height: 100%;
		}

		.image-wrapper {
			width: 100%;
			height: 100%;
		}

		.swiper-item {
			display: flex;
			justify-content: center;
			align-content: center;
			height: 750upx;
			overflow: hidden;

			image {
				width: 100%;
				height: 100%;
			}
		}
	}

	/* 标题简介 */
	.introduce-section {
		background: #fff;
		padding: 20upx 30upx;

		.title {
			font-size: 32upx;
			color: $font-color-dark;
			height: 50upx;
			line-height: 50upx;
		}

		.price-box {
			display: flex;
			align-items: baseline;
			height: 64upx;
			padding: 10upx 0;
			font-size: 26upx;
			color: $uni-color-primary;
		}

		.price {
			font-size: $font-lg + 2upx;
		}

		.m-price {
			margin: 0 12upx;
			color: $font-color-light;
			text-decoration: line-through;
		}

		.coupon-tip {
			align-items: center;
			padding: 4upx 10upx;
			background: $uni-color-primary;
			font-size: $font-sm;
			color: #fff;
			border-radius: 6upx;
			line-height: 1;
			transform: translateY(-4upx);
		}

		.bot-row {
			display: flex;
			align-items: center;
			height: 50upx;
			font-size: $font-sm;
			color: $font-color-light;

			text {
				flex: 1;
			}
		}
	}

	/* 分享 */
	.share-section {
		display: flex;
		align-items: center;
		color: $font-color-base;
		background: linear-gradient(left, #fdf5f6, #fbebf6);
		padding: 12upx 30upx;

		.share-icon {
			display: flex;
			align-items: center;
			width: 70upx;
			height: 30upx;
			line-height: 1;
			border: 1px solid $uni-color-primary;
			border-radius: 4upx;
			position: relative;
			overflow: hidden;
			font-size: 22upx;
			color: $uni-color-primary;

			&:after {
				content: '';
				width: 50upx;
				height: 50upx;
				border-radius: 50%;
				left: -20upx;
				top: -12upx;
				position: absolute;
				background: $uni-color-primary;
			}
		}

		.icon-xingxing {
			position: relative;
			z-index: 1;
			font-size: 24upx;
			margin-left: 2upx;
			margin-right: 10upx;
			color: #fff;
			line-height: 1;
		}

		.tit {
			font-size: $font-base;
			margin-left: 10upx;
		}

		.icon-bangzhu1 {
			padding: 10upx;
			font-size: 30upx;
			line-height: 1;
		}

		.share-btn {
			flex: 1;
			text-align: right;
			font-size: $font-sm;
			color: $uni-color-primary;
		}

		.icon-you {
			font-size: $font-sm;
			margin-left: 4upx;
			color: $uni-color-primary;
		}
	}

	.c-list {
		font-size: $font-sm + 2upx;
		color: $font-color-base;
		background: #fff;

		.c-row {
			display: flex;
			align-items: center;
			padding: 20upx 30upx;
			position: relative;
		}

		.tit {
			width: 140upx;
		}

		.con {
			flex: 1;
			color: $font-color-dark;

			.selected-text {
				margin-right: 10upx;
			}
		}

		.bz-list {
			height: 40upx;
			font-size: $font-sm + 2upx;
			color: $font-color-dark;

			text {
				display: inline-block;
				margin-right: 30upx;
			}
		}

		.con-list {
			flex: 1;
			display: flex;
			flex-direction: column;
			color: $font-color-dark;
			line-height: 40upx;
		}

		.red {
			color: $uni-color-primary;
		}
	}

	/* 评价 */
	.eva-section {
		display: flex;
		flex-direction: column;
		padding: 20upx 30upx;
		background: #fff;
		margin-top: 16upx;

		.e-header {
			display: flex;
			align-items: center;
			height: 70upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;

			.tit {
				font-size: $font-base + 2upx;
				color: $font-color-dark;
				margin-right: 4upx;
			}

			.tip {
				flex: 1;
				text-align: right;
			}

			.icon-you {
				margin-left: 10upx;
			}
		}
	}

	.eva-box {
		display: flex;
		padding: 20upx 0;

		.portrait {
			flex-shrink: 0;
			width: 80upx;
			height: 80upx;
			border-radius: 100px;
		}

		.right {
			flex: 1;
			display: flex;
			flex-direction: column;
			font-size: $font-base;
			color: $font-color-base;
			padding-left: 26upx;

			.con {
				font-size: $font-base;
				color: $font-color-dark;
				padding: 20upx 0;
			}

			.bot {
				display: flex;
				justify-content: space-between;
				font-size: $font-sm;
				color: $font-color-light;
			}
		}
	}

	/*  详情 */
	.detail-desc {
		background: #fff;
		margin-top: 16upx;

		.d-header {
			display: flex;
			justify-content: center;
			align-items: center;
			height: 80upx;
			font-size: $font-base + 2upx;
			color: $font-color-dark;
			position: relative;

			text {
				padding: 0 20upx;
				background: #fff;
				position: relative;
				z-index: 1;
			}

			&:after {
				position: absolute;
				left: 50%;
				top: 50%;
				transform: translateX(-50%);
				width: 300upx;
				height: 0;
				content: '';
				border-bottom: 1px solid #ccc;
			}
		}
	}

	/* 规格选择弹窗 */
	.attr-content {
		padding: 10upx 30upx;

		.a-t {
			display: flex;

			image {
				width: 170upx;
				height: 170upx;
				flex-shrink: 0;
				margin-top: -40upx;
				border-radius: 8upx;
			}

			.right {
				display: flex;
				flex-direction: column;
				padding-left: 24upx;
				font-size: $font-sm + 2upx;
				color: $font-color-base;
				line-height: 42upx;

				.price {
					font-size: $font-lg;
					color: $uni-color-primary;
					margin-bottom: 10upx;
				}

				.selected-text {
					margin-right: 10upx;
				}
			}
		}

		.attr-list {
			display: flex;
			flex-direction: column;
			font-size: $font-base + 2upx;
			color: $font-color-base;
			padding-top: 30upx;
			padding-left: 10upx;
		}

		.item-list {
			padding: 20upx 0 0;
			display: flex;
			flex-wrap: wrap;

			text {
				display: flex;
				align-items: center;
				justify-content: center;
				background: #eee;
				margin-right: 20upx;
				margin-bottom: 20upx;
				border-radius: 100upx;
				min-width: 60upx;
				height: 60upx;
				padding: 0 20upx;
				font-size: $font-base;
				color: $font-color-dark;
			}

			.selected {
				background: #fbebee;
				color: $uni-color-primary;
			}
		}
	}

	/*  弹出层 */
	.popup {
		position: fixed;
		left: 0;
		top: 0;
		right: 0;
		bottom: 0;
		z-index: 99;

		&.show {
			display: block;

			.mask {
				animation: showPopup 0.2s linear both;
			}

			.layer {
				animation: showLayer 0.2s linear both;
			}
		}

		&.hide {
			.mask {
				animation: hidePopup 0.2s linear both;
			}

			.layer {
				animation: hideLayer 0.2s linear both;
			}
		}

		&.none {
			display: none;
		}

		.mask {
			position: fixed;
			top: 0;
			width: 100%;
			height: 100%;
			z-index: 1;
			background-color: rgba(0, 0, 0, 0.4);
		}

		.layer {
			position: fixed;
			z-index: 99;
			bottom: 0;
			width: 100%;
			min-height: 40vh;
			border-radius: 10upx 10upx 0 0;
			background-color: #fff;

			.btn {
				height: 66upx;
				line-height: 66upx;
				border-radius: 100upx;
				background: $uni-color-primary;
				font-size: $font-base + 2upx;
				color: #fff;
				margin: 30upx auto 20upx;
			}
		}

		@keyframes showPopup {
			0% {
				opacity: 0;
			}

			100% {
				opacity: 1;
			}
		}

		@keyframes hidePopup {
			0% {
				opacity: 1;
			}

			100% {
				opacity: 0;
			}
		}

		@keyframes showLayer {
			0% {
				transform: translateY(120%);
			}

			100% {
				transform: translateY(0%);
			}
		}

		@keyframes hideLayer {
			0% {
				transform: translateY(0);
			}

			100% {
				transform: translateY(120%);
			}
		}
	}

	/* 底部操作菜单 */
	.page-bottom {
		position: fixed;
		left: 30upx;
		bottom: 30upx;
		z-index: 95;
		display: flex;
		justify-content: center;
		align-items: center;
		width: 690upx;
		height: 100upx;
		background: rgba(255, 255, 255, 0.9);
		box-shadow: 0 0 20upx 0 rgba(0, 0, 0, 0.5);
		border-radius: 16upx;

		.p-b-btn {
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			font-size: $font-sm;
			color: $font-color-base;
			width: 96upx;
			height: 80upx;

			.yticon {
				font-size: 40upx;
				line-height: 48upx;
				color: $font-color-light;
			}

			&.active,
			&.active .yticon {
				color: $uni-color-primary;
			}

			.icon-fenxiang2 {
				font-size: 42upx;
				transform: translateY(-2upx);
			}

			.icon-shoucang {
				font-size: 46upx;
			}
		}

		.action-btn-group {
			display: flex;
			height: 76upx;
			border-radius: 100px;
			overflow: hidden;
			box-shadow: 0 20upx 40upx -16upx #fa436a;
			box-shadow: 1px 2px 5px rgba(219, 63, 96, 0.4);
			background: linear-gradient(to right, #ffac30, #fa436a, #f56c6c);
			margin-left: 20upx;
			position: relative;

			&:after {
				content: '';
				position: absolute;
				top: 50%;
				right: 50%;
				transform: translateY(-50%);
				height: 28upx;
				width: 0;
				border-right: 1px solid rgba(255, 255, 255, 0.5);
			}

			.action-btn {
				display: flex;
				align-items: center;
				justify-content: center;
				width: 180upx;
				height: 100%;
				font-size: $font-base;
				padding: 0;
				border-radius: 0;
				background: transparent;
			}
		}
	}

	/*优惠券弹出层*/
	.coupon-popup {

		z-index: 99;

		.coupon-container {
			width: 100%;
			padding: 5px 0;
			background-color: #fff;
			min-height: 100px;

			.coupon-item {
				margin: 10px 10px 0;
				border: 1px solid #ccc;

				&__left {
					background-color: #f56c6c;
				}

				&__right {
					background-color: #fff;
				}
			}
		}
	}
</style>
